Seudónimo
Seudónimo
02-02-2016
Mathematics
contestada
Solve 2a + 21 = 8a - 9, step by step
Respuesta :
Аноним
Аноним
02-02-2016
2a + 21 = 8a - 9
Combine like terms.
2a + 21 = 8a - 9
-2a -2a
21 = 6a - 9
+9 +9
30 = 6a
6a/6 = 30/6
a = 5
Answer: a = 5
Answer Link
VER TODAS LAS RESPUESTAS ( 15+ )
Otras preguntas
Exxon Mobil Corporation explores, produces, refines, markets, and supplies crude oil, natural gas, and petroleum products in the United States and around the wo
UNIX treats file directories in the same fashion as files; that is, both are defined by the same type of data structure, called an inode. As with files, directo
what are the symptoms of a cold
Write a basic analysis of a short poem. Copy and paste your chosen poem into the box below. Be sure to include the title and author. Document the source of the
Subgovernments are composed of key interest group leaders interested in policy X, the government agency in charge of administering policy X, and the ________ ha
First aid cpr and quiz
Jipmor, an interior décor store in the city of Jeswayde, manufactures designer white oak furniture. Jipmor is highly dependent on Casode, which is the only stor
A biologist wants to increase the rate of his chemical reaction but has a limited amount of enzyme. He continues to increases the substrate concentration instea
A transverse sine wave with an amplitude of 2.50 mm and a wavelength of 1.80 m travels from left to right along a long, horizontal stretched string with a speed
To help Jacob overcome his smoking habit, a therapist puts him in a room with a carton of cigarettes laced with a chemical to induce nausea. He displays images
